Surrender is for NPCs. PCs don't surrender. They just win their fights. Unless everyone dies in a Total Party Kill, of course.
Maybe surrender's not such a bad idea now and then.
Transcript
{Anakin and Obi-Wan are fighting}
Anakin: I never thought it would come to this.
Obi-Wan: You could have stepped off this path at any point.
[SFX]: Whooom!
Anakin: If... If you surrender now, I'll spare you.
[SFX]: Whooom!
Obi-Wan: I sense much fear in you.
[SFX]: Whooom!
Anakin: Shut up! I'll kill you too if I have to!
Obi-Wan: See? Fear leads to anger. It always has.
[SFX]: Kzzzzzkk!
{flashback to Anakin talking to Padmé}
Anakin: I had a nightmare, about my mother. I fear she is in terrible danger.
{flashback to Anakin at the Sand People camp}
Anakin: They'll pay for this. They'll all pay.
{end flashback}
[SFX]: Whooom
Anakin: The Sand People did pay.
Obi-Wan: For your crime!
Anakin: And you want their suffering to be in vain?
[SFX]: Kzrkzrkk!